package com.copa.ums.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * @author copa
 * @createDate 2022-10-31 16:25
 * @function 跨域问题
 */

@Configuration
public class CorsConfig {

    private CorsConfiguration buildConfig(){
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");//允许任何域名使用
        corsConfiguration.addAllowedHeader("*");//允许任何头
        corsConfiguration.addAllowedMethod("*");//允许任何方法(post、get等)
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter(){
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**",buildConfig());
        //向Spring容器中注入一个过滤器
        return new CorsFilter(source);
    }
}